#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main() {
    int a;
    while (scanf("%d", &a) != EOF)
    {
        for (int i = 0; i < a; i++)
        {
            for (int j = 0; j < a; j++)
            {
                if ((j >= i) && (i + j <= 2 * (a - 1)))
                    printf("* ");
                else
                    printf(" ");
            }
            printf("\n");
        }

    }
    return 0;
}